808638575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 1124928000

約数和(自身を除く): 316289425

約数列:

[1, 5, 17, 19, 25, 85, 95, 239, 323, 419, 425, 475, 1195, 1615, 2095, 4063, 4541, 5975, 7123, 7961, 8075, 10475, 20315, 22705, 35615, 39805, 77197, 100141, 101575, 113525, 135337, 178075, 199025, 385985, 500705, 676685, 1702397, 1902679, 1929925, 2503525, 3383425, 8511985, 9513395, 32345543, 42559925, 47566975, 161727715, 808638575]

約数ペア:

[(1, 808638575), (5, 161727715), (17, 47566975), (19, 42559925), (25, 32345543), (85, 9513395), (95, 8511985), (239, 3383425), (323, 2503525), (419, 1929925), (425, 1902679), (475, 1702397), (1195, 676685), (1615, 500705), (2095, 385985), (4063, 199025), (4541, 178075), (5975, 135337), (7123, 113525), (7961, 101575), (8075, 100141), (10475, 77197), (20315, 39805), (22705, 35615)]